8TH GRADE MATH EXPRESSIONS
posted by CAMERON on .
You are setting up a children;s painting class. Poster board paints cost $3.80 for each child, and a package of 100 sheets of poster board costs $66.50. Assuming that you only need one package of poster board, write an algebraic exprssion for the total cost of supplies. Find the total cost if 18 students sighn up for the class too.